Question: Which sculpture has the most horizontal depth ?
Paraphrase: Which form has the foremost flat profundity ?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q860861 . ?ent wdt:P5524 ?obj . ?ent wdt:P31 wd:Q860861 } ORDER BY DESC(?obj)LIMIT 5 
Answer: Construction, Roof, Floor Construction, Bouquet of Tulips, Prinz Friedrich von Homburg, Ein Schauspiel, 3X